The IMX3102 is a 2:1 I3C basic bus multiplexer switch with integrated Temperature Sensor for I3C and I²C applications. It is designed to be used for various motherboard applications.

There are two master ports (Master port 0 and Master port 1) and one slave port. Any one of those two Master ports can be selected as Active Master which has the control of the slave port as well as the IMX3102 itself.


  • 2:1 bus multiplexer
  • Two wire programmable I²C or I3C bus serial interface
  • Single device load on the Host bus
  • Up to 12.5MHz transfer rate
  • Single 1.8V power supply input
  • 1.0V VLDO output at VIO pin
  • Supports 1.0V, 1.1V, and 1.2V Push-Pull IO levels
  • Supports 1.0V, 1.1V, 1.2V, 1.8V, 2.5V, and 3.3V open-drain IO levels
  • Integrated Temperature Sensor; 0.5°C accuracy with 0.25°C resolution
  • Packet Error Check (PEC) function, Parity Error Check function
  • Bus reset function
  • In-band interrupt (IBI)
  • Programmable I²C, I3C bus addressing scheme
  • 9-contact thermally enhanced DFN package
  • Temperature: Industrial range of -40°C to 125°C

tuneProduct Options

Part Number Part Status Pkg. Type Carrier Type MOQ Buy Sample
Preview DFN Reel 2500


Title language Type Format File Size Date
Datasheets & Errata
star IMX3102 Short-Form Datasheet Datasheet - Short-form PDF 31 KB
Memory Multiplexer Family Overview Overview PDF 807 KB